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A Summary of the WWDC25 Group Lab

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Is it possible to share an app group between Catalyst and AppKit Apps?
I have 2 Apps. A sandboxed native Mac App written in AppKit/SwiftUI. A Catalyst App. I would like them to be able to communicate with each other. I assumed I would be able to do this using a shared App Group but I can't get it to work and I think this is because the App Group naming conventions appear to be different. As far as I can make out: A Mac App uses App groups prefixed with the team ID A Catalyst App uses the iOS App groups which are prefixed with group. I have tried multiple combinations of different prefixes to try and make this work but without success. I have been testing this by using UserDefaults(suiteName: appGroup) and then attempting to read write values between the 2 Apps but without success so far. My questions are: Is sharing an App Group between Catalyst and native technically possible? If it is possible what is the magic combo of App Group prefixes that makes it work? If it is not possible then do I have any other options fo
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1.5k
Jun ’22
BUG: Groups now create Subdirectories in Xcode 9
I seem to have found a BUG in XCode 9, however I can't submit it, so I'll submit it here and hope one of you that can submit bugs can forward it to Apple.It's an easy bug to test: Create a project, then create a Group. In Xcode 8.3.3 this would create a Group in Xcode but not a subdirectory in Finder. NOW it also generates a Subdirectory (check your finder directory). I discovered this by following some directions in a book on Core Data. I started in Xcode and created the groups as described in the book. Later I downloaded Xcode 9 and started over (creating a new project), creating the group now creates a subdirectory also. This might actually be NICE....if it weren't for the fact that some files, like info.plist are expected to be in the main project directory, or at least it errored when I moved the info.list to the Group, as described in the book (it works in Xcode 8.3.3, does not work in Xcode 9 beta 5).I tried this in iOS, as well as in macOS (both create subd
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724
Aug ’17
How to Enable Group Navigation Behavior for Custom Views in VoiceOver?
In VoiceOver, when using Group Navigation style, the cursor first focuses on the semantic group. To navigate inside the group, a two-finger swipe (left or right) can be used. This behavior works for default containers like the Navigation Bar, Tab Bar, and Tool Bar. How can I achieve the same behavior for a custom view? I tried setting accessibilityContainerType = .semanticGroup, but it only works for Mac Catalyst. Is there an equivalent approach for iOS?
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421
Mar ’25
FamilyActivityPicker is not picking the right group of apps.
I am passing a group of apps that the user did not select to the ManagedSettingsStore. I write it like this I then block the user from using this group of apps. ManagedSettingsStore().shield.applicationCategories = ShieldSettings.ActivityCategoryPolicy.all(except:familyActivitySelection.applicationTokens) This problem occurs when you select three or more categories in the FamilyActivityPicker. For example, if you select only the Education category, only the apps in the Education category will be available, but if you add the Productivity/Lifestyle category to the selected categories, all apps in the iPhone will be available. This problem occurs whether the number of categories to select is four or five. Perhaps IOS is not generating the exact set of apps when it generates the set.
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833
May ’23
Can apps in an app group share the same IAP?
I have two versions of my game, one under 100mb and one way bigger. Most users will try the game with the small version and then be promted to download the big verison to be able to play more. The light and big version of the game are in the same app group. Is it possible to share the IAP (in app purchases) for both versions? In Itunes connect its easy to import the achivments and leaderboards between the two app versions in the group. But I see no such option for the IAP...
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524
May ’16
Grouping Apps impossible when Apps are not lined up.
I have been playing around with the page layout on my IPad Pro and discovered that is is impossible to group apps if you leave an empty space in the page. I found the option fun to finally place my apps where i want and not just lined up from top to bottom. I discovered if you leave gaps in the page layout it is impossible to groupe apps. The moment you hover the app over the groupe, the groupe shifts back to fill the empty space. Once I filled up all the empty space then the groupe stops moving. It is pretty annoying. The was excited to see the new feature to finally hate it completely. I do hope someone will fix this problem.
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Oct ’24
Reply to MSSession summaryText doubling up
happens here too, on the simulator only. Version 10.0 (SimulatorApp-700.5.3)All summary texts, even for previous messages take on the last summary text you set and send.But it seems to work on device. always test on device. Just plug your phone into your computer and run your app on the device.
Topic: App & System Services SubTopic: General Tags:
Oct ’16